Roseville SiC conversion
Bosch (Robert Bosch Semiconductor), Roseville, Placer County, California
Roseville SiC conversion in Roseville, California is Bosch (Robert Bosch Semiconductor)’s plant for silicon carbide power chips (200mm). Status: operating as of July 13, 2026 (production started). Bosch (Robert Bosch Semiconductor) announced $1.5 billion. Primary source: bosch-presse.de, checked November 1, 2026.
- Status
- Operating
- Announced investment
- $1.5 billion
- Announced jobs
- Not stated
- Industry
- Semiconductors
- Sheet
- CA-04
- Revised
- November 1, 2026
Status timeline
- Announcedbosch-presse.de
- Construction startedbosch-presse.de
- Production startednist.gov
Filled dots are confirmed by a company, state, SEC or federal source. Dashed dots come from news reports only. Investment and job figures are as announced, not achieved.
Plant facts
| Company | Bosch (Robert Bosch Semiconductor) |
|---|---|
| Plant | Roseville SiC conversion |
| Location | Roseville, Placer County, California |
| Industry | Semiconductors |
| Product | Silicon carbide power chips (200mm) |
| Announced investment | $1.5 billionPlanned site upgrade per 2023 Bosch release; Commerce 2026 cites $2B |
| Announced jobs | Not stated |
| Last checked | November 1, 2026 |
No primary source we found states the announced job count, so we leave it blank rather than estimate.
Sources
- Bosch completes TSI Semiconductors asset acquisition (company release, bosch-presse.de, checked November 1, 2026)
- Commerce: $225M CHIPS funding agreement with Bosch (federal notice, nist.gov, checked November 1, 2026)
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